Question

If the first term is ‘a’ and the nth term is ‘l’ then the sum of n terms of an Arithmetic Progression is _____
a) Sn = /2 ( + )
b) Sn = /2 ( + )
c) Sn = /2 ( + )
d) Sn = 1/2 ( + )​

Answer 1

Answer:

your answer is B

Step-by-step explanation:

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